Vortex 202ZK-37 CAT5 Aluminum Rear Sprocket 520 Pitch 37-Tooth Black

The Vortex 202ZK-37 is a CAT5 aluminum rear sprocket featuring a 37-tooth count on a 520 pitch chain, finished in a striking black anodized surface. Engineered by Vortex Racing—a trusted name in motorcycle drivetrain components—this sprocket is designed for riders who demand precision, durability, and a clean aesthetic on the street or track.

Key Features:

• Material: CNC-machined 7075 billet aluminum for a lightweight, high-strength construction
• Finish: Anodized black with CNC-machined highlights for a distinctive two-tone appearance
• Chain Pitch: 520
• Tooth Count: 37 teeth
• Patented Tooth Design: Vortex's unique tooth geometry reduces wear and extends sprocket life
• Corrosion Resistance: Hard anodized finish protects against the elements
• Weight Savings: Aluminum construction significantly reduces unsprung rotating mass compared to steel sprockets

Vortex sprockets are manufactured to precise tolerances and are a popular upgrade for riders looking to reduce drivetrain weight without sacrificing strength or longevity. The 202ZK series is part of the Vortex CAT5 rear sprocket lineup, compatible with 520-pitch chains on a variety of motorcycle applications.